/* ========================================================
   Solarhub Inventory - Custom Modern Theme
   ======================================================== */

:root {
    --solar-primary: #F59E0B;
    --solar-primary-hover: #D97706;
    --solar-primary-light: #FEF3C7;
    --solar-primary-subtle: #FFFBEB;
    --solar-slate: #0F172A;
    --solar-slate-light: #1E293B;
    --solar-slate-border: #334155;
    --solar-gray-bg: #F8FAFC;
    --solar-gray-card: #FFFFFF;
    --solar-gray-border: #E2E8F0;
    --solar-text-main: #1E293B;
    --solar-text-muted: #64748B;
    --sidebar-width: 250px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--solar-gray-bg);
    color: var(--solar-text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar-solar {
    background-color: var(--solar-slate);
    border-bottom: 2px solid var(--solar-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.navbar-solar .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-solar .navbar-brand span {
    color: var(--solar-primary);
}

.navbar-solar .nav-link {
    color: #CBD5E1;
    font-weight: 500;
    transition: color 0.2s ease;
}

.navbar-solar .nav-link:hover,
.navbar-solar .nav-link.active {
    color: #FFFFFF;
}

/* Layout with Sidebar */
.app-wrapper {
    display: flex;
    flex: 1;
    min-height: calc(100vh - 56px);
}

.app-sidebar {
    width: var(--sidebar-width);
    background-color: #FFFFFF;
    border-right: 1px solid var(--solar-gray-border);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
}

.app-content {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-x: hidden;
}

/* Sidebar Navigation Items */
.sidebar-heading {
    font-size: 0.72rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--solar-text-muted);
    padding: 0.5rem 1.25rem 0.25rem;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: var(--solar-text-main);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-link i {
    font-size: 1.15rem;
    color: var(--solar-text-muted);
    transition: color 0.2s ease;
}

.sidebar-link:hover {
    background-color: var(--solar-primary-subtle);
    color: var(--solar-primary-hover);
}

.sidebar-link:hover i {
    color: var(--solar-primary-hover);
}

.sidebar-link.active {
    background-color: var(--solar-primary-light);
    color: var(--solar-primary-hover);
    border-left-color: var(--solar-primary);
    font-weight: 600;
}

.sidebar-link.active i {
    color: var(--solar-primary);
}

/* Card Styling */
.solar-card {
    background-color: #FFFFFF;
    border: 1px solid var(--solar-gray-border);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.solar-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.solar-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--solar-gray-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.solar-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--solar-slate);
}

.solar-card-body {
    padding: 1.25rem;
}

/* Stat Cards */
.stat-card {
    padding: 1.25rem;
    border-radius: 12px;
    background: #FFFFFF;
    border: 1px solid var(--solar-gray-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stat-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon-amber { background: #FEF3C7; color: #D97706; }
.stat-icon-green { background: #DCFCE7; color: #16A34A; }
.stat-icon-blue  { background: #DBEAFE; color: #2563EB; }
.stat-icon-red   { background: #FEE2E2; color: #DC2626; }
.stat-icon-purple{ background: #F3E8FF; color: #9333EA; }

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--solar-slate);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--solar-text-muted);
    margin-top: 0.2rem;
}

/* Buttons */
.btn-solar {
    background-color: var(--solar-primary);
    border-color: var(--solar-primary);
    color: #FFFFFF;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-solar:hover,
.btn-solar:focus {
    background-color: var(--solar-primary-hover);
    border-color: var(--solar-primary-hover);
    color: #FFFFFF;
}

.btn-solar-dark {
    background-color: var(--solar-slate);
    border-color: var(--solar-slate);
    color: #FFFFFF;
    font-weight: 600;
}

.btn-solar-dark:hover {
    background-color: var(--solar-slate-light);
    color: #FFFFFF;
}

/* Badges */
.badge-in-stock { background-color: #DCFCE7; color: #15803D; font-weight: 600; }
.badge-low-stock { background-color: #FEF3C7; color: #B45309; font-weight: 600; }
.badge-out-stock { background-color: #FEE2E2; color: #B91C1C; font-weight: 600; }
.badge-sn-active { background-color: #E0E7FF; color: #4338CA; font-weight: 600; }
.badge-sn-dispatched { background-color: #F1F5F9; color: #475569; font-weight: 600; }

/* Table Compact Styling */
.table thead th {
    background-color: #F8FAFC;
    color: var(--solar-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--solar-gray-border);
    padding: 0.75rem;
}

.table tbody td {
    padding: 0.75rem;
    vertical-align: middle;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 991.98px) {
    .app-sidebar {
        position: fixed;
        top: 56px;
        left: -260px;
        bottom: 0;
        z-index: 1040;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }
    .app-sidebar.show {
        left: 0;
    }
    .app-content {
        padding: 1rem;
    }
}